Question

Suppose y varies directly with x, and y = 14 when x = -4. What is the value of y when x = -6


How would i do this

Answer 1

y = k x

14 = k (-4)
so
k = -14/4 = -7/2

y = -(7/2) x

y = -(7/2)(-6)

Answer 2

21?

Answer 3

yeah, about that :)